Home / 907,668.64-1,252,572.36-499,761.92

Finding the Fourth Proportional to 907,668.64, 1,252,572.36 and 499,761.92

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Solution

The fourth proportional to 907,668.64, 1,252,572.36 and 499,761.92 is: 689,665.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,668.64 : 1,252,572.36 = 499,761.92 : x
  2. Step 2: Convert to fraction form
    907,668.64/1,252,572.36 = 499,761.92/x
  3. Step 3: Cross multiply
    907,668.64x = 1,252,572.36 × 499,761.92
  4. Step 4: Simplify right side
    907,668.64x = 625,987,967,572.53
  5. Step 5: Solve for x
    x = 625,987,967,572.53/907,668.64
  6. Step 6: Final answer
    x = 689,665.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.